F 450 4WD Super Duty V8-6.4L DSL Turbo (2008)
15. Tighten the lower ball joint nut to 59 Nm (44 ft. lbs.).
16. Install a new upper ball joint nut and a new cotter pin.
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Tighten to 94 Nm (69 ft. lbs.).
17. Tighten the lower ball joint nut to 204 Nm (150 ft. lbs.).
18. Verify the camber and caster settings, adjust as necessary.